Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Current Assets:
Cash and Cash Equivalents	$ 60,475	$ 72,574
Accounts and Notes Receivable:
Trade	220,222	151,383
Other Receivables, Net, Current	69,901	121,735
Inventories	65,461	66,792
Income Taxes Receivable, Current	116,851	13,887
Prepaid Expenses	93,146	297,287
Disposal Group, Including Discontinued Operation, Assets, Current	83	81,105
Total Current Assets	626,139	804,763
Property, Plant and Equipment:
Property, Plant and Equipment, Gross	13,771,388	13,794,907
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment	5,630,949	5,062,201
Disposal Group, Including Discontinued Operation, Property, Plant and Equipment	0	936,671
Total Property, Plant and Equipment-Net	8,140,439	9,669,377
Other Assets:
Deferred Tax Assets, Net of Valuation Allowance, Noncurrent	4,290	0
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures	190,964	237,330
Other	222,149	214,388
Disposal Group, Including Discontinued Operation, Other Assets	0	4,044
Other Assets	417,403	455,762
Total Assets	9,183,981	10,929,902
Current Liabilities:
Accounts Payable	241,616	250,609
Long-term Debt and Capital Lease Obligations, Current	12,000	9,409
Short-Term Notes Payable (Note 12)	0	952,000
Other Accrued Liabilities, Current	680,348	421,827
Disposal Group, Including Discontinued Operation, Liabilities, Current	6,050	51,514
Total Current Liabilities	940,014	1,685,359
Long-Term Debt:
Long-term Debt, Excluding Current Maturities	2,722,995	2,703,899
Capital Lease Obligations	39,074	34,884
Disposal Group, Including Discontinued Operation, Liabilities	0	5,001
Total Long-Term Debt	2,762,069	2,743,784
Deferred Credits and Other Liabilities
Deferred Tax Liabilities, Net, Noncurrent	0	74,629
Postretirement Benefits Other Than Pensions	659,474	630,892
Pneumoconiosis Benefits	108,073	111,903
Mine Closing	218,631	227,339
Gas Well Closing	223,352	163,842
Workers' Compensation	67,277	69,812
Salary Retirement	112,543	91,596
Reclamation	0	25
Other	151,660	166,957
Disposal Group, Including Discontinued Operation, Liabilities, Noncurrent	0	107,988
Total Deferred Credits and Other Liabilities	1,541,010	1,644,983
TOTAL LIABILITIES	5,243,093	6,074,126
Stockholders' Equity:
Common Stock, $.01 Par Value; 500,000,000 Shares Authorized, 229,443,008 Issued and Outstanding at December 31, 2016; 229,054,236 Issued and Outstanding at December 31, 2015	2,298	2,294
Capital in Excess of Par Value	2,460,864	2,435,497
Preferred Stock, 15,000,000 shares authorized, None issued and outstanding	0	0
Retained Earnings	1,727,789	2,579,834
Accumulated Other Comprehensive Loss	(392,556)	(315,598)
Common Stock in Treasury, at Cost- No Shares at December 31, 2016 and 2015	0	0
Total CONSOL Energy Inc. Stockholders' Equity	3,798,395	4,702,027
Noncontrolling Interest in Limited Partnerships	142,493	153,749
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	3,940,888	4,855,776
TOTAL LIABILITIES AND EQUITY	$ 9,183,981	$ 10,929,902